Undoing Multiplication With Division
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Objective
In this video, students explore the relationship between multiplication and its inverse, division. They will attempt to "undo" multiplication by dividing once, twice, or even three times.
Steps
- We begin with the simplest, one-step case. Multiply by a number, then divide by the same number, and you return to where you started. But then, we try a two-step version, such as: 10 × 6 ÷ 3 ÷ 2 = 10.
- Now we look at cases where we divide three times to undo multiplication.
- Finally, students have a chance to continue practicing this idea with a web app.
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